12327538 has 4 divisors (see below), whose sum is σ = 18491310. Its totient is φ = 6163768.

The previous prime is 12327529. The next prime is 12327547. The reversal of 12327538 is 83572321.

12327538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12327529) and next prime (12327547).

It can be written as a sum of positive squares in only one way, i.e., 12131289 + 196249 = 3483^2 + 443^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3081883 + ... + 3081886.

Almost surely, 2^12327538 is an apocalyptic number.

12327538 is a deficient number, since it is larger than the sum of its proper divisors (6163772).

12327538 is an equidigital number, since it uses as much as digits as its factorization.

12327538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163771.

The product of its digits is 10080, while the sum is 31.

The square root of 12327538 is about 3511.0593842885. The cubic root of 12327538 is about 231.0071648109.

Adding to 12327538 its reverse (83572321), we get a palindrome (95899859).

The spelling of 12327538 in words is "twelve million, three hundred twenty-seven thousand, five hundred thirty-eight".